Cita APA (7a ed.)

Van Inwagen, P. (2001). Ontology, identity, and modality: Essays in metaphysics. University Press.

Cita Chicago Style (17a ed.)

Van Inwagen, Peter. Ontology, Identity, and Modality: Essays in Metaphysics. Cambridge: University Press, 2001.

Cita MLA (9a ed.)

Van Inwagen, Peter. Ontology, Identity, and Modality: Essays in Metaphysics. University Press, 2001.